/*
 * Copyright 1999-2021 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.fastffi;

import java.util.HashMap;
import java.util.Map;

public class CXXEnumMap<T extends Enum<T> & CXXEnum> {
    Map<Integer, T> cxxValueToEnum;
    public CXXEnumMap(T[] values) {
        cxxValueToEnum = new HashMap<>(values.length);
        for (T t : values) {
            cxxValueToEnum.put(t.getValue(), t);
        }
    }

    public boolean hasValue(int value) {
        return cxxValueToEnum.containsKey(value);
    }

    public T get(int value) {
        T t = cxxValueToEnum.get(value);
        if (t == null) {
            throw new IllegalArgumentException("Cannot find enum for " + value);
        }
        return t;
    }
}
